A137386 Numbers that when mirrored vertically are still valid characters. Only applies when numbers are scribed in Arabic numerals.

0, 1, 3, 6, 8, 9, 10, 11, 13, 16, 18, 19, 30, 31, 33, 36, 38, 39, 60, 61, 63, 66, 68, 69, 80, 81, 83, 86, 88, 89, 90, 91, 93, 96, 98, 99, 100, 101, 103, 106, 108, 109, 110, 111, 113, 116, 118, 119, 130, 131, 133, 136, 138, 139, 160, 161, 163, 166, 168, 169

Offset

1,3

Comments

Equivalently, numbers that are composed only of the digits 0, 1, 3, 6, 8 and 9. - Andrew Howroyd, Jan 03 2020

Links

Andrew Howroyd, Table of n, a(n) for n = 1..1000

Prog

(PARI) a(n)={my(v=[0, 1, 3, 6, 8, 9]); fromdigits([v[1+d] | d<-digits(n-1, #v)])} \\ Andrew Howroyd, Jan 03 2020

Crossrefs

Sequence in context: A133159 A188544 A163463 * A358510 A344952 A153307

Adjacent sequences: A137383 A137384 A137385 * A137387 A137388 A137389

Keyword

nonn,base

Author

Adam Risi (ajrisi(AT)gmail.com), Apr 09 2008

Extensions

Terms a(39) and beyond from Andrew Howroyd, Jan 03 2020

Status

approved